Subject: Re: Intel D945GNT crashes with AGP enabled
From: Alan Hourihane <alanh@fairlite.demon.co.uk>
To: Marcel Holtmann <marcel@holtmann.org>
Cc: Dave Jones <davej@redhat.com>, linux-kernel@vger.kernel.org
In-Reply-To: <1130588872.24907.1.camel@blade>
References: <1130506715.5345.7.camel@blade>
	 <20051028162806.GA4340@redhat.com>  <1130518160.5372.6.camel@blade>
	 <1130585267.5360.12.camel@blade>  <1130588872.24907.1.camel@blade>
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Date: Sat, 29 Oct 2005 14:44:30 +0100
Message-Id: <1130593470.6786.4.camel@jetpack.demon.co.uk>
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On Sat, 2005-10-29 at 14:27 +0200, Marcel Holtmann wrote:
> Hi Dave,
> 
> > And btw why can't I compile the intelfb on x86_64? I use the internal
> > graphics card (8086:2772) of the D945GNT motherboard.
> > 
> > 0000:00:02.0 VGA compatible controller: Intel Corporation 945G Integrated Graphics Controller (rev 02)
> > 
> > The Kconfig file makes it unselectable on x86_64 system.
> > 
> > config FB_INTEL
> >         tristate "Intel 830M/845G/852GM/855GM/865G support (EXPERIMENTAL)"
> >         depends on FB && EXPERIMENTAL && PCI && X86 && !X86_64
> > 
> > It seems that the most recent support in this driver is for the 915G and
> > not for the 945G. Are they so different that we need a complete new
> > driver or is the !X86_64 a relict from old times?
> 
> it seems that the first problem is:
> 
> arch/x86_64/kernel/built-in.o: In function `pci_iommu_init':
> pci-gart.c:(.init.text+0x8f0c): undefined reference to `agp_amd64_init'
> pci-gart.c:(.init.text+0x8f1a): undefined reference to `agp_bridge'
> pci-gart.c:(.init.text+0x8f1f): undefined reference to `agp_copy_info'
> make: *** [.tmp_vmlinux1] Error 1
> 
> Is this fixable or will the intelfb never work on x86_64 system?

You are barking up the wrong tree with this. Read the tristate line.

It doesn't mention 915 or 945 support. Intelfb only supports upto the
865G anyway.

Alan.
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